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Multiply and Divide Decimals by 10, 100, 1000 Worksheet

Speed calculation lesson 17: Decimal point jumps · Set 896 · 40 questions
TalentJR

The fast method (Jump the point): Count the zeros: 10 → 1 jump, 100 → 2 jumps, 1000 → 3 jumps. × moves the point right; ÷ moves it left. Run out of digits? Fill the gaps with 0s. Drop 0s at the end of a decimal: 3.40 is 3.4.

NameDateTime takenScore ___ / 40
  1. 1.15.06 ÷ 10 =
  2. 2.140.1 × 10 =
  3. 3.193.1 × 10 =
  4. 4.141.7 ÷ 1000 =
  5. 5.111.5 ÷ 1000 =
  6. 6.11.49 × 1000 =
  7. 7.31.65 ÷ 10 =
  8. 8.36.71 ÷ 100 =
  9. 9.44.36 × 1000 =
  10. 10.11.15 × 1000 =
  11. 11.47.04 × 100 =
  12. 12.265.9 × 10 =
  13. 13.343.3 ÷ 100 =
  14. 14.307.1 × 1000 =
  15. 15.42.68 ÷ 10 =
  16. 16.56.5 × 100 =
  17. 17.47.79 ÷ 10 =
  18. 18.59.5 × 1000 =
  19. 19.426.1 × 1000 =
  20. 20.278.6 × 10 =
  21. 21.279.6 ÷ 100 =
  22. 22.277.3 ÷ 10 =
  23. 23.19.25 ÷ 10 =
  24. 24.334.3 ÷ 100 =
  25. 25.142.1 ÷ 100 =
  26. 26.46.01 ÷ 10 =
  27. 27.313.9 × 1000 =
  28. 28.165.4 ÷ 100 =
  29. 29.428.6 ÷ 10 =
  30. 30.11.31 × 1000 =
  31. 31.274.3 ÷ 10 =
  32. 32.31.31 × 1000 =
  33. 33.20.22 × 1000 =
  34. 34.27.51 × 10 =
  35. 35.50.7 × 100 =
  36. 36.201.6 ÷ 10 =
  37. 37.9.13 × 100 =
  38. 38.147.2 × 1000 =
  39. 39.362.1 ÷ 1000 =
  40. 40.234.6 × 10 =

Answer key

  1. 1.506
  2. 1401
  3. 1931
  4. 0.1417
  5. 0.1115
  6. 11490
  7. 3.165
  8. 0.3671
  9. 44360
  10. 11150
  11. 4704
  12. 2659
  13. 3.433
  14. 307100
  15. 4.268
  16. 5650
  17. 4.779
  18. 59500
  19. 426100
  20. 2786
  21. 2.796
  22. 27.73
  23. 1.925
  24. 3.343
  25. 1.421
  26. 4.601
  27. 313900
  28. 1.654
  29. 42.86
  30. 11310
  31. 27.43
  32. 31310
  33. 20220
  34. 275.1
  35. 5070
  36. 20.16
  37. 913
  38. 147200
  39. 0.3621
  40. 2346

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